U.S., Oct. 11 -- Shares of Tesla Inc. were losing more than 8 percent in the early morning trading on the Nasdaq on Friday following the electric vehicle maker's long-awaited robotaxi event, which showcased Cybercab self-driving concept car. The event perhaps failed to impress investors and Wall Street analysts.

Tesla founder and CEO Elon Musk unveiled the Cybercab robotaxi concept vehicle during the event on Thursday night at Warner Bros. Studios in Burbank, California. It showcased a silver two-seater, without any steering wheels or pedals.

Tesla said it is hoping to produce the Cybercab before 2027. Musk noted that the car would be capable of driving itself autonomously when it launches, and that consumers would be able to buy one fo...